Alex Kallen

3.0k total citations · 2 hit papers
8 papers, 1.9k citations indexed

About

Alex Kallen is a scholar working on Molecular Medicine, Epidemiology and Endocrinology. According to data from OpenAlex, Alex Kallen has authored 8 papers receiving a total of 1.9k indexed citations (citations by other indexed papers that have themselves been cited), including 5 papers in Molecular Medicine, 3 papers in Epidemiology and 3 papers in Endocrinology. Recurrent topics in Alex Kallen's work include Antibiotic Resistance in Bacteria (5 papers), Enterobacteriaceae and Cronobacter Research (2 papers) and Antibiotic Use and Resistance (2 papers). Alex Kallen is often cited by papers focused on Antibiotic Resistance in Bacteria (5 papers), Enterobacteriaceae and Cronobacter Research (2 papers) and Antibiotic Use and Resistance (2 papers). Alex Kallen collaborates with scholars based in United States. Alex Kallen's co-authors include Brandi Limbago, Dawn Sievert, Scott K. Fridkin, Arjun Srinivasan, Jean B. Patel, Amy Schneider, Philip Ricks, Jonathan R. Edwards, Anthony E. Fiore and L. Clifford McDonald and has published in prestigious journals such as New England Journal of Medicine, Journal of Clinical Microbiology and Emerging infectious diseases.

In The Last Decade

Alex Kallen

8 papers receiving 1.9k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Antimicrobial-Resistant Pathogens Associated with Healthcare-Associated Infections Summary of Data Reported to the National Healthcare Safety Network at the Centers for Disease Control and Prevention, 2009–2010

2012 1.2k citations Dawn Sievert, Philip Ricks et al. Infection Control and Hospital Epidemiology profile →
Multidrug-Resistant Bacterial Infections in U.S. Hospitalized Patients, 2012–2017

2020 384 citations John A. Jernigan, Kelly M Hatfield et al. New England Journal of Medicine profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Alex Kallen United States	5	763	714	629	381	350	8	1.9k
Philip Ricks United States	13	717 0.9×	797 1.1×	627 1.0×	390 1.0×	330 0.9×	19	2.0k
Maroya Spalding Walters United States	19	871 1.1×	743 1.0×	631 1.0×	260 0.7×	426 1.2×	73	2.0k
Deborah C. Draghi United States	22	783 1.0×	742 1.0×	513 0.8×	546 1.4×	290 0.8×	33	1.9k
Yu Mi Wi South Korea	26	510 0.7×	724 1.0×	588 0.9×	264 0.7×	257 0.7×	98	1.7k
Roland Jureen Singapore	27	806 1.1×	766 1.1×	641 1.0×	295 0.8×	363 1.0×	78	2.1k
Paul Lephart United States	28	947 1.2×	941 1.3×	937 1.5×	551 1.4×	343 1.0×	75	2.4k
Élisabeth Chachaty France	23	773 1.0×	614 0.9×	727 1.2×	199 0.5×	188 0.5×	56	1.9k
Thaís Guimarães Brazil	26	995 1.3×	520 0.7×	928 1.5×	172 0.5×	287 0.8×	96	2.1k
Rayo Morfín‐Otero Mexico	27	683 0.9×	661 0.9×	439 0.7×	272 0.7×	207 0.6×	102	1.8k
Simona Barnini Italy	25	401 0.5×	1.1k 1.5×	641 1.0×	492 1.3×	473 1.4×	59	1.9k

Countries citing papers authored by Alex Kallen

Since Specialization

Citations

This map shows the geographic impact of Alex Kallen's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Alex Kallen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Alex Kallen more than expected).

Fields of papers citing papers by Alex Kallen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alex Kallen. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Alex Kallen. The network helps show where Alex Kallen may publish in the future.

Co-authorship network of co-authors of Alex Kallen

This figure shows the co-authorship network connecting the top 25 collaborators of Alex Kallen. A scholar is included among the top collaborators of Alex Kallen based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Alex Kallen. Alex Kallen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

8 of 8 papers shown

1.

Jernigan, John A., Kelly M Hatfield, Hannah Wolford, et al.. (2020). Multidrug-Resistant Bacterial Infections in U.S. Hospitalized Patients, 2012–2017. New England Journal of Medicine. 382(14). 1309–1319. 384 indexed citations breakdown →

2.

Blosser, Sara J., et al.. (2018). Notes from the Field: Domestically Acquired Verona Integron-Mediated Metallo-β-Lactamase-Producing Enterobacteriaceae — Indiana, 2016–2017. MMWR Morbidity and Mortality Weekly Report. 67(25). 727–728. 1 indexed citations

3.

Adams, Eleanor, Monica Quinn, Sharon Tsay, et al.. (2018). Candida aurisin Healthcare Facilities, New York, USA, 2013–2017. Emerging infectious diseases. 24(10). 1816–1824. 205 indexed citations

4.

Moulton-Meissner, Heather, et al.. (2015). Laboratory replication of filtration procedures associated with Serratia marcescens bloodstream infections in patients receiving compounded amino acid solutions. American Journal of Health-System Pharmacy. 72(15). 1285–1291. 2 indexed citations

5.

Sievert, Dawn, Philip Ricks, Jonathan R. Edwards, et al.. (2012). Antimicrobial-Resistant Pathogens Associated with Healthcare-Associated Infections Summary of Data Reported to the National Healthcare Safety Network at the Centers for Disease Control and Prevention, 2009–2010. Infection Control and Hospital Epidemiology. 34(1). 1–14. 1229 indexed citations breakdown →

6.

Limbago, Brandi, J. Kamile Rasheed, Karen Anderson, et al.. (2011). IMP-Producing Carbapenem-Resistant Klebsiella pneumoniae in the United States. Journal of Clinical Microbiology. 49(12). 4239–4245. 60 indexed citations

7.

Olson, Patrick E., et al.. (2000). Canines as Sentinels for Lyme Disease in San Diego County, California. Journal of Veterinary Diagnostic Investigation. 12(2). 126–129. 19 indexed citations

8.

Kallen, Alex & Margaret R. Wallace. (1998). Atypical Pneumocystis carinii Infection in AIDS. Southern Medical Journal. 91(8). 759–760. 4 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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